Plumb Cut Roof

Roof angle overhang level rafter depth rafter thick birds mouth plumb birds mouth seat.

Plumb cut roof.

Tail cut which may be cut plumb or square depending on how the eaves are detailed. After creating a roof change the style of the eaves by specifying the rafter cut. When framing a gable or hip roof the final step is cutting the rafter tails for fascia board. Sawyers are the folks who operate the component saws which precision hopefully cut all of the components prior to assembly.

If it rises onlyread more. The length of the rafter is given from the long point of the ridge cut at the top down along the top edge the board to the same plumb cut on the rafter s notch. Make the bottom plumb cut on the ground. The traditional method has been rise inches 12 run inches.

Plumb cut definition is a cut in a vertical plane. How to plumb cut rafter tails. Square cut or plumb cut. So if your roof is a 45 degree angle that is for every 12 along the horizontal run it rises 12 it s a 12 12 pitch.

The number of rafters needed will be determined by the length of your roof. Depending on the size of your structure you will need to cut several or many more. In the drawing area select the roof. At this point you ve cut 1 roof rafter.

Print full scale rafter plumb cut templates and birdsmouth templates. Some architectural designs call for plumb or vertical cuts as opposed. Wall thick wall height allow for ridge thickness when determining rafter run to outer wall. Birdsmouth which consists of two cuts a horizontal seat cut and a vertical shoulder cut.

Locate these rafter terms in the illustration below. On the properties palette for rafter cut select plumb cut two cut plumb or two cut square. Select a roof pitch. This is a mitered plumb cut 4 in 12 on this roof if you re working with finished trim.

Determine a thickness for the ridge and use the drop down to select it. For two cut plumb and two cut square specify a value for fascia depth between zero and the thickness of the roof. The results are automatically fired as soon as any of the values are entered or altered. Back in the 70 s when i first entered the prefabricated metal connector plated wood truss industry i was a sawyer.

The top cut face of a rafter that is designed to butt vertically against a ridgeboard. All roof rafters should be identical so follow the same steps to measure the plumb cut tail cut and birdsmouth cut.